Alg STAAR Graph Linear A.3(C)

The graph of linear function g passes through the points (-7, -4) and (7, 6), as shown. What are the slope and y-intercept of the graph of g?

The linear function t has an x-intercept of -1 and a y-intercept of 5. Which graph best represents t?

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The graph models the linear relationship between the number of monthly payments made on a loan and the remaining balance in dollars left to pay on the loan. Which statement describes the x-intercept of the graph?

• The x-intercept is 60, which represents the initial balance in dollars of the loan.

• The x-intercept is 27,000, which represents the initial balance in dollars of the loan.

• The x-intercept is 60, which represents the number of monthly payments needed to repay the loan.

• The x-intercept is 27.000, which represents the number of monthly payments needed to repay the loan.

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The graph of linear function f passes through the point (1, -9) and has a slope of -3. What is the zero of f?

• 2

• 4

• -6

• -2

The graph of linear function k passes through the points (-7, 0) and (1, 8). Which statement must be true?

• The graph of k passes through the point (-1, -8)

• The zero ok k is 7

• The x-intercept of the graph of k is -7

The water level of a river was measured each day during a two-week period. The graph models the linear relationship between the water level of the river in feel and the number of days the water level was measured. Which statement best describes the y-intercept of the graph?

• The water level increased by 0.25 feet per day.

• The maximum water level was 19.5 ft.

• The initial water level was 16 ft.

• The water level was measured for 14 days.

Which line appears to have an x-intercept of -5 and a y-intercept of 3?

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A lifeguard earns $320 per week for working 40 hours plus #12 per hour worked over 40 hours. A lifeguard can work a maximum of 60 hours per week. Which graph best represents the lifeguard's weekly earnings in dollars for working h hours over 40?

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